We found 7 dictionaries that define the word birch trees:

General (4 matching dictionaries)

1. birch trees: Vocabulary.com
2. birch-trees: Wordnik
3. birch trees: Wiktionary
4. birch trees: TheFreeDictionary.com

Business (1 matching dictionary)

5. birch trees: Legal dictionary

Computing (1 matching dictionary)

6. birch trees: Encyclopedia

Medicine (1 matching dictionary)

7. birch trees: Medical dictionary

(Note: See birch_tree as well.)

Definitions from Wiktionary (birch tree) ▸ noun:  A tree of the genus Betula, native to countries in the Northern Hemisphere. ▸ Also see birch_tree ▸ Words similar to birch trees ▸ Usage examples for birch trees ▸ Idioms related to birch trees ▸ Wikipedia articles (New!) ▸ Words that often appear near birch trees ▸ Rhymes of birch trees ▸ Invented words related to birch trees